85925471 has 2 divisors, whose sum is σ = 85925472. Its totient is φ = 85925470.

The previous prime is 85925461. The next prime is 85925503. The reversal of 85925471 is 17452958.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-85925471 is a prime.

It is a super-3 number, since 3×85925471³ (a number of 25 digits) contains 333 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85925461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42962735 + 42962736.

It is an arithmetic number, because the mean of its divisors is an integer number (42962736).

Almost surely, 2^85925471 is an apocalyptic number.

85925471 is a deficient number, since it is larger than the sum of its proper divisors (1).

85925471 is an equidigital number, since it uses as much as digits as its factorization.

85925471 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 100800, while the sum is 41.

The square root of 85925471 is about 9269.5992901527. The cubic root of 85925471 is about 441.2729511077.

The spelling of 85925471 in words is "eighty-five million, nine hundred twenty-five thousand, four hundred seventy-one".